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Sequential Color-Coded Tubes in Medical Sample Collection Quiz

#1

What is the color of the tube typically used for collecting blood samples for complete blood count (CBC)?

Lavender
Explanation

Lavender tubes are used for CBC to prevent clotting.

#2

Which additive is commonly found in the red-colored tubes used for collecting blood samples for serum chemistry tests?

SST gel
Explanation

SST gel separates serum for chemistry tests.

#3

What is the purpose of using anticoagulants in blood collection tubes?

To prevent blood clotting
Explanation

Anticoagulants prevent blood from clotting.

#4

Which color tube is commonly used for collecting blood samples for blood bank serology tests?

Yellow
Explanation

Yellow tubes are used for blood bank serology tests.

#5

Which color tube is typically used for collecting blood samples for glucose testing?

Grey
Explanation

Grey tubes are used for glucose testing.

#6

What does the term 'order of draw' refer to in phlebotomy?

The sequence in which blood samples are collected into tubes
Explanation

Order of draw is the sequence of tube collection.

#7

What is the purpose of using different colored tubes in sequential order during blood sample collection?

To differentiate between different types of samples
Explanation

Color-coded tubes help identify different sample types.

#8

Which of the following tests can typically be performed on a blood sample collected in a green-colored tube?

Prothrombin time (PT)
Explanation

Green tubes are used for PT testing.

#9

Which anticoagulant is typically found in purple-colored tubes?

EDTA
Explanation

Purple tubes contain EDTA as an anticoagulant.

#10

What is the purpose of using gel separators in blood collection tubes?

To separate plasma from serum
Explanation

Gel separators differentiate plasma and serum.

#11

Which of the following tubes is commonly used for collecting blood samples for blood glucose tests in diabetic patients?

Grey
Explanation

Grey tubes are used for blood glucose tests in diabetics.

#12

What is the purpose of the black-colored tubes used in blood collection?

To collect blood for trace element analysis
Explanation

Black tubes collect blood for trace element analysis.

#13

In which tube color would you expect to find a sample collected for plasma preparation for coagulation studies?

Light blue
Explanation

Light blue tubes are for coagulation studies.

#14

Which type of sample collection tube is commonly used for molecular diagnostics and DNA testing?

Pink
Explanation

Pink tubes are for molecular diagnostics and DNA testing.

#15

Which anticoagulant is commonly found in light blue-colored tubes?

Sodium citrate
Explanation

Light blue tubes contain sodium citrate as anticoagulant.

#16

Which color tube is commonly used for collecting blood samples for lead level testing?

Royal blue
Explanation

Royal blue tubes are used for lead level testing.

#17

Which color tube is commonly used for collecting blood samples for erythrocyte sedimentation rate (ESR) testing?

Red
Explanation

Red tubes are used for ESR testing.

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